"Wed, 21 Aug 2024 10:49:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
10:49:48
General datetime
2024-08-21 10:49:48Z
For Database
2024-08-21 10:49:48
For HTTP1.1
Wed, 21 Aug 2024 10:49:48 GMT